258879040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{115571}}^1$

素因数の和:115595

約数の個数: 56

約数和(自身を含む): 704526912

約数和(自身を除く): 445647872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 115571, 231142, 462284, 577855, 808997, 924568, 1155710, 1617994, 1849136, 2311420, 3235988, 3698272, 4044985, 4622840, 6471976, 7396544, 8089970, 9245680, 12943952, 16179940, 18491360, 25887904, 32359880, 36982720, 51775808, 64719760, 129439520, 258879040]

約数ペア:

[(1, 258879040), (2, 129439520), (4, 64719760), (5, 51775808), (7, 36982720), (8, 32359880), (10, 25887904), (14, 18491360), (16, 16179940), (20, 12943952), (28, 9245680), (32, 8089970), (35, 7396544), (40, 6471976), (56, 4622840), (64, 4044985), (70, 3698272), (80, 3235988), (112, 2311420), (140, 1849136), (160, 1617994), (224, 1155710), (280, 924568), (320, 808997), (448, 577855), (560, 462284), (1120, 231142), (2240, 115571)]